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#ifndef CALLGRINDVISUALISATION_H
#define CALLGRINDVISUALISATION_H

#include <QGraphicsView>

QT_BEGIN_NAMESPACE
class QAbstractItemModel;
class QModelIndex;
QT_END_NAMESPACE

namespace Valgrind {
namespace Callgrind { class Function; }
}

namespace Valgrind {
namespace Internal {

class Visualisation : public QGraphicsView
{
    Q_OBJECT

public:
    explicit Visualisation(QWidget *parent = 0);
    virtual ~Visualisation();

    void setModel(QAbstractItemModel *model);

    const Valgrind::Callgrind::Function *functionForItem(QGraphicsItem *item) const;
    QGraphicsItem *itemForFunction(const Valgrind::Callgrind::Function *function) const;

    void setFunction(const Valgrind::Callgrind::Function *function);
    const Valgrind::Callgrind::Function *function() const;

    void setMinimumInclusiveCostRatio(double ratio);

public slots:
    void setText(const QString &message);

signals:
    void functionActivated(const Valgrind::Callgrind::Function *);
    void functionSelected(const Valgrind::Callgrind::Function *);

protected slots:
    void populateScene();

protected:
    void mousePressEvent(QMouseEvent *event);
    void mouseDoubleClickEvent(QMouseEvent *event);
    void resizeEvent(QResizeEvent *event);

private:
    class Private;
    Private *d;
};

} // namespace Internal
} // namespace Valgrind

#endif // VALGRIND_CALLGRIND_CALLGRINDVISUALISATION_H